kick in the door 

to run into a party or room acting like you gonna kill somebody

lets kick in the door, were gonna kick in the door at the dance tonight

kick in the door by Sean Simmons May 11, 2004

kick in the back door

to be penetrated rectally, generally by a penis.
Being buggered.

He is so hot i'd give him a kick in the back door

kick in the back door by master luke July 10, 2006

kick the back door in 

During sexual activity. A term relating to taking a lady up the back passage.

Kick the back door in:
'Have you kicked michelle's back door in yet?'

'Things got a little frisky las night and i ended up kicking her back door in!'

kick the back door in by Beans57 November 7, 2006

kick the back door in 

to park your pink vehicle in her brown garage (with force)

I flipped her over and kicked the back door in!!

kick the back door in by G August 4, 2003